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材料工程  2015, Vol. 43 Issue (8): 37-42    DOI: 10.11868/j.issn.1001-4381.2015.08.007
  材料与工艺 本期目录 | 过刊浏览 | 高级检索 |
碳源对AlON粉体合成及其透明陶瓷制备的影响
雷景轩1,2, 施鹰1, 谢建军1, 石坚波2, 邬浩2, 赵中坚2, 胡伟2
1. 上海大学 材料科学与工程学院, 上海 200444;
2. 上海玻璃钢研究院有限公司 陶瓷研究室, 上海 201404
Effect of Carbon Sources on Synthesis of AlON Powder and Fabrication of Transparent Ceramics
LEI Jing-xuan1,2, SHI Ying1, XIE Jian-jun1, SHI Jian-bo2, WU Hao2, ZHAO Zhong-jian2, HU Wei2
1. School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China;
2. Ceramic Department, Shanghai Fiber Reinforced Plastics Research Institute Co., Ltd., Shanghai 201404, China
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摘要 以纳米炭黑、微米碳粉为碳源,采用碳热还原法合成AlON粉体和无压烧结制备AlON透明陶瓷。利用X射线衍射仪、扫描电镜、颗粒度分析仪和分光光度计等研究碳源对粉体及陶瓷制备的影响。结果表明:碳源尺寸及形貌与AlON粉体的合成温度、粉体形貌及颗粒大小密切相关;采用纳米炭黑降低了AlON粉体的合成温度,在1730℃合成了单相粉体;采用微米碳粉在1750℃煅烧2h条件下制备了高纯度的AlON粉体,从而制备了高透光率的AlON陶瓷,该样品(1mm厚)在1000~5000nm波长范围内的直线透过率在80%左右,在3.93μm波长处光学透过率最高可达83.7%,其平均晶粒尺寸为110~120μm。
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雷景轩
施鹰
谢建军
石坚波
邬浩
赵中坚
胡伟
关键词 AlON透明陶瓷碳源碳热还原法无压烧结    
Abstract:Nanosized carbon black and micron carbon powder were used as the carbon sources to synthesize AlON powders by carbothermal reduction method and prepare transparent AlON ceramics by the synthesized AlON powders through pressureless sintering. Effects of the carbon sources on the synthesis of the AlON powder and the fabrication of the transparent ceramics were investigated by XRD, SEM, particle size analyzer and spectrometer. The results show that the size and the morphology of the carbon sources are closely related with the calcining synthetic temperature, the morphology and the particle size of the obtained AlON powder greatly. The addition of the nanosized carbon black decreases the calcination temperature to 1730℃ at which the single phase AlON powders are synthesized. High purity AlON powders prepared by the micron carbon powders calcined at 1750℃ for 2 hours are used to fabricate the highly transparent AlON ceramics. The in-line optical transmittance at 1000-5000nm wavelength of the AlON ceramic sample (1mm-thick) is almost 80%, with the max transmittance of 83.7% at 3.93μm wavelength. The average grain size of the obtained AlON transparent ceramics is in range of 110-120μm.
Key wordsAlON    transparent ceramic    carbon source    carbothermal reduction method    pressureless sin-tering
收稿日期: 2014-10-14      出版日期: 2015-08-17
中图分类号:  TQ174  
通讯作者: 施鹰(1969-),男,研究员,博士,主要从事多晶光学材料方面研究,联系地址:上海市宝山区上大路99号上海大学65信箱(200444),E-mail:yshi@shu.edu.cn     E-mail: yshi@shu.edu.cn
引用本文:   
雷景轩, 施鹰, 谢建军, 石坚波, 邬浩, 赵中坚, 胡伟. 碳源对AlON粉体合成及其透明陶瓷制备的影响[J]. 材料工程, 2015, 43(8): 37-42.
LEI Jing-xuan, SHI Ying, XIE Jian-jun, SHI Jian-bo, WU Hao, ZHAO Zhong-jian, HU Wei. Effect of Carbon Sources on Synthesis of AlON Powder and Fabrication of Transparent Ceramics. Journal of Materials Engineering, 2015, 43(8): 37-42.
链接本文:  
http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2015.08.007      或      http://jme.biam.ac.cn/CN/Y2015/V43/I8/37
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